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Introduction to PLC’s

Total questions: 36

Worksheet time: 18mins

Name
Class
Date
1.

PLC stands for _ _ _.

a)

Programmable Logic Controller

b)

Power Line Communication

c)

Personal Learning Computer

d)

Process Level Control

2.

The 3 main parts of a PLC system are _, _, and _.

a)

Input, CPU, Output

b)

Input, RAM, Output

c)

Sensor, CPU, Display

d)

Input, Processor, Display

3.

A push button is a type of _ in a PLC system.

a)

input

b)

output

c)

processor

d)

display

4.

A motor is a type of _ in a PLC system.

a)

output

b)

input

c)

sensor

d)

controller

5.

A PLC program is written on a _.

a)

computer

b)

printer

c)

calculator

d)

television

6.

When a button is pressed the type of signal that is sent and must be changed to data the CPU can read is _.

a)

electrical

b)

mechanical

c)

optical

d)

thermal

7.

In order to produce an output the PLC sends a signal that is changed to an _ signal.

a)

electrical

b)

mechanical

c)

thermal

d)

optical

8.

A PLC is a special purpose _.

a)

computer

b)

vehicle

c)

furniture

d)

tool

9.

What components of a typical computer are not present with a PLC? (Select all that apply)

a)

display

b)

keyboard

c)

printer

d)

hard drive

10.

A PLC is generally located in a _ _ on a factory _.

a)

control panel, floor

b)

storage room, roof

c)

office, wall

d)

workshop, ceiling

11.

Initially PLC’s were a replacement for panels of __.

a)

relay

b)

switches

c)

fuses

d)

circuit breakers

12.

Two issues with using relays were that they were _ and making changes was _.

a)

complicated, time consuming

b)

expensive, easy

c)

small, fast

d)

simple, automatic

13.

Relays also _ more often than computer components.

a)

failed

b)

succeeded

c)

charged

d)

expanded

14.

Relays also took a lot of _, generated a lot of _ and _, and take up a lot of _.

a)

electricity, heat, soot, space

b)

water, noise, dust, time

c)

oil, light, smoke, money

d)

fuel, steam, ash, labor

15.

The two main ports of the PLC itself are the CPU and I/O which stands for _/_.

a)

input/output

b)

internal/operation

c)

initial/override

d)

insert/output

16.

I/O can either be part of the _ or in additional _.

a)

CPU, modules

b)

RAM, chips

c)

ALU, buses

d)

ROM, circuits

17.

The CPU communicates to the I/O so they generally have the same _.

a)

backplane

b)

protocol

c)

frequency

d)

address

18.

The CPU and I/O must be in close proximity? T or F

a)

T

b)

F

19.

Inputs and outputs of a PLC system can either be _ or _.

a)

AI, AO

b)

DI, DO

c)

PI, PO

d)

SI, SO

20.

A program written on a computer is generally communicated to the PLC using an _ or _ cable.

a)

USB, ethernet

b)

HDMI, VGA

c)

Coaxial, RCA

d)

Serial, parallel

21.

Programs for PLC’s are generally written in _ logic.

a)

ladder

b)

boolean

c)

sequential

d)

relay

22.

The ANSI standard number that attempts to normalize PLC programs is _.

a)

61131

b)

70901

c)

12345

d)

90001

23.

The most popular PLC manufacturer in the world is _.

a)

SIEMENS

b)

Mitsubishi

c)

Schneider Electric

d)

Rockwell Automation

24.

The product line of PLC’s created by SIEMENS is called the _ line.

a)

SIMATIC

b)

Modicon

c)

SLC

d)

MELSEC

25.

The Simatic software allows the user to _ , _ , and _ .

a)

configure, program, test

b)

install, uninstall, update

c)

draw, erase, color

d)

compile, debug, execute

26.

The largest manufacturer of PLC’s used in the U.S. is _ Automation.

a)

Rockwell

b)

Siemens

c)

Mitsubishi

d)

Schneider

27.

The most used line of PLC’s used in the U.S. is _ _.

a)

Allen Bradley

b)

Siemens

c)

Mitsubishi

d)

Schneider Electric

28.

The 3 types of PLC’s in the Allen Bradley line are _, _, and _.

a)

SLC 500, PAC, Micro Logix

b)

SLC 500, MicroLogix, ControlLogix

c)

MicroLogix, CompactLogix, FlexLogix

d)

SLC 500, PLC-5, Micro800

29.

PAC, in the Allen Bradley line of PLC’s, stands for _ _ _.

a)

Programmable Automatic Controller

b)

Process Automation Controller

c)

Programmable Analog Computer

d)

Power Application Controller

30.

Guard PLC’s are created for _ _.

a)

safety systems

b)

communication protocols

c)

data storage

d)

energy saving

31.

The two software programs used with Allen Bradley PLC’s are _ 5000 and _ 5000.

a)

RSLogix, Studio

b)

RSView, FactoryTalk

c)

Step7, TIA Portal

d)

WinCC, MicroWin

32.

The third PLC manufacturer presented in the video was _.

a)

ABB

b)

Siemens

c)

Mitsubishi

d)

Schneider Electric

33.

What two letters represent the line of PLC’s offered by ABB?

a)

AC

b)

DC

c)

AB

d)

PL

34.

The unique aspect of the line of ABB PLCs is that any _ will work with any _, making finding replacement parts _ and _.

a)

module, CPU, easy, affordable

b)

CPU, module, difficult, expensive

c)

module, RAM, slow, complicated

d)

RAM, CPU, rare, costly

35.

All of the PLC manufacturers in the video offer _ devices that allow customers the ability to set up systems as needed.

a)

modular

b)

fixed

c)

wireless

d)

manual

36.

All of the PLC manufacturers presented in the video also offer _ systems for smaller applications. These units have a _number of I/O built into smaller units.

a)

fixed, fixed

b)

modular, variable

c)

programmable, unlimited

d)

custom, expandable